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LSD

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LSD¹

Where it comes from

Borrowed from Latin lībra solidus dēnārius.

noun

  1. Ireland, UK, abbreviation, dated, initialism, uncountable Initialism of £sd (pounds, shillings, pence). ‘Now, mark this chap’s saying Miss Wilfer, when he means L.s.d.!’ cried Mr Boffin, with a cunning wink. ‘Now, mark this chap’s making Miss Wilfer stand for Pounds, Shillings, and Pence!’

Similar: acid, headlight, liquid sunshine, LSD, LSD-25, Lucy, lysergic acid diethylamide

LSD²

Where it comes from

Borrowed from German LSD, an initialism of Lysergsäure-diethylamid.

noun

  1. abbreviation, uncountable Abbreviation of lysergic acid diethylamide Microdosing LSD to boost productivity has been all the rage in Silicon Valley for years. I’ve been tempted to try it but I haven’t because LSD is illegal and I’m brown.

    Similar: acid, Lucy

Similar: acid, headlight, liquid sunshine, LSD, LSD-25, Lucy, lysergic acid diethylamide

LSD³

Where it comes from

Other initialisms.

noun LSDs

  1. abbreviation, countable, initialism, uncountable Initialism of Lake Shore Drive (freeway in Chicago).
  2. abbreviation, countable, initialism, uncountable Initialism of long slow distance (training method of long-distance running).
  3. abbreviation, countable, initialism, uncountable Initialism of longshore drift (geological process by which sediments move along a beach shore).
  4. abbreviation, countable, initialism, uncountable Initialism of limited-slip differential
  5. abbreviation, countable, initialism, uncountable Initialism of lumpy skin disease

Similar: acid, headlight, liquid sunshine, LSD, LSD-25, Lucy, lysergic acid diethylamide

Thesaurus

Closest in meaning: acid, lightning, hallucinogen, bromo, brom, lucy, blotter acid, blotter, l, windowpane, microdot, electric kool-aid, tabs, cid, doses, trips

noun

Similar: acid, headlight, liquid sunshine, LSD, LSD-25, Lucy, lysergic acid diethylamide

noun

Similar: acid, headlight, liquid sunshine, LSD, LSD-25, Lucy, lysergic acid diethylamide

noun

Similar: acid, headlight, liquid sunshine, LSD, LSD-25, Lucy, lysergic acid diethylamide

Translations

Every language

noun lysergic acid diethylamide

DeutschLSD
РусскийЛСД LSD

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Cite this
MLA

"LSD." Wiktionary, via Micwyn, micwyn.com/word/lsd. Accessed 6 Nov. 2026.

APA

LSD. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/lsd

Chicago

"LSD." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/lsd.

BibTeX
@misc{lsd_2026,
  title = {LSD},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/lsd},
  urldate = {2026-11-06}
}